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Media Type
50,179
texts
6,526
audio
2,580
movies
826
images
182
data
160
concerts
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Topics & Subjects
31,217
NASA Technical Reports Server (NTRS)
9,658
ERIC Archive
3,712
DTIC Archive
2,239
MATHEMATICAL MODELS
1,611
Books
1,597
audio
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Collection
31,217
NASA Network Resource and Training Site
9,658
Education Resources Information Center (ERIC) Archive
5,212
Community Audio
3,712
Defense Technical Information Archive
2,128
American Libraries
1,710
Community Video
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Creator
31,217
nasa technical reports server (ntrs)
9,658
eric
3,712
defense technical information center
1,053
شبكة ربيع الفردوس الاعلى
323
تم رفع هذه المادة بواسطة مُسلم التونسي_up_by_muslem
227
nasa
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Language
48,366
English
765
French
277
Arabic
221
Spanish
156
Urdu
152
German
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